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src/share/vm/prims/hpi_imported.h@f008d3631bd1 (annotated)

src/share/vm/prims/hpi_imported.h

Wed, 08 Oct 2008 08:10:51 -0700

author

ksrini

date

Wed, 08 Oct 2008 08:10:51 -0700

changeset 823

f008d3631bd1

parent 435

a61af66fc99e

child 1907

c18cbe5936b8

permissions

-rw-r--r--

6755845: JVM_FindClassFromBoot triggers assertions
Summary: Fixes assertions caused by one jvm_entry calling another, solved by refactoring code and modified gamma test.
Reviewed-by: dholmes, xlu

duke@435	1	/*
duke@435	2	* Copyright 1998-2005 Sun Microsystems, Inc. All Rights Reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
duke@435	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435	20	* CA 95054 USA or visit www.sun.com if you need additional information or
duke@435	21	* have any questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	/*
duke@435	26	* HotSpot integration note:
duke@435	27	*
duke@435	28	* This is a consolidation of these two files:
duke@435	29	* src/share/hpi/export/hpi.h 1.15 99/06/18 JDK1.3 beta build I
duke@435	30	* src/share/hpi/export/dll.h 1.3 98/09/15 JDK1.3 beta build I
duke@435	31	* from the classic VM.
duke@435	32	*
duke@435	33	* bool_t is a type in the classic VM, and we define it here,
duke@435	34	* but in the future this should be a jboolean.
duke@435	35	*
duke@435	36	* The files are included verbatim expect for local includes removed from hpi.h.
duke@435	37	*/
duke@435	38
duke@435	39	#ifndef _JAVASOFT_HPI_H_
duke@435	40	#define _JAVASOFT_HPI_H_
duke@435	41
duke@435	42	#ifdef __cplusplus
duke@435	43	extern "C" {
duke@435	44	#endif
duke@435	45
duke@435	46	/* A classic VMism that should become a jboolean. Fix in 1.2.1? */
duke@435	47	typedef enum { HPI_FALSE = 0, HPI_TRUE = 1 } bool_t;
duke@435	48
duke@435	49	/*
duke@435	50	* DLL.H: A common interface for helper DLLs loaded by the VM.
duke@435	51	* Each library exports the main entry point "DLL_Initialize". Through
duke@435	52	* that function the programmer can obtain a function pointer which has
duke@435	53	* type "GetInterfaceFunc." Through the function pointer the programmer
duke@435	54	* can obtain other interfaces supported in the DLL.
duke@435	55	*/
duke@435	56	typedef jint (JNICALL * GetInterfaceFunc)
duke@435	57	(void **intfP, const char *name, jint ver);
duke@435	58
duke@435	59	jint JNICALL DLL_Initialize(GetInterfaceFunc *, void *args);
duke@435	60
duke@435	61
duke@435	62	/*
duke@435	63	* Host Porting Interface. This defines the "porting layer" for
duke@435	64	* POSIX.1 compliant operating systems.
duke@435	65	*/
duke@435	66
duke@435	67	/*
duke@435	68	* memory allocations
duke@435	69	*/
duke@435	70	typedef struct {
duke@435	71	/*
duke@435	72	* Malloc must return a unique pointer if size == 0.
duke@435	73	*/
duke@435	74	void * (*Malloc)(size_t size);
duke@435	75	void * (*Realloc)(void *ptr, size_t new_size);
duke@435	76	/*
duke@435	77	* Free must allow ptr == NULL to be a no-op.
duke@435	78	*/
duke@435	79	void (*Free)(void *ptr);
duke@435	80	/*
duke@435	81	* Calloc must return a unique pointer for if
duke@435	82	* n_item == 0 || item_size == 0.
duke@435	83	*/
duke@435	84	void * (*Calloc)(size_t n_item, size_t item_size);
duke@435	85	char * (*Strdup)(const char *str);
duke@435	86
duke@435	87	void * (*MapMem)(size_t req_size, size_t *maped_size);
duke@435	88	void * (*UnmapMem)(void *req_addr, size_t req_size, size_t *unmap_size);
duke@435	89	/*
duke@435	90	* CommitMem should round the ptr down to the nearest page and
duke@435	91	* round the size up to the nearest page so that the committed
duke@435	92	* region is at least as large as the requested region.
duke@435	93	*/
duke@435	94	void * (*CommitMem)(void *ptr, size_t size, size_t *actual);
duke@435	95	/*
duke@435	96	* sysDecommitMem should round the ptr up to the nearest page and
duke@435	97	* round the size down to the nearest page so that the decommitted
duke@435	98	* region is no greater than the requested region.
duke@435	99	*/
duke@435	100	void * (*DecommitMem)(void *ptr, size_t size, size_t *actual);
duke@435	101
duke@435	102	#define HPI_PAGE_ALIGNMENT (64 * 1024)
duke@435	103
duke@435	104	void * (*AllocBlock)(size_t size, void **headP);
duke@435	105	void (*FreeBlock)(void *head);
duke@435	106	} HPI_MemoryInterface;
duke@435	107
duke@435	108	/*
duke@435	109	* dynamic linking libraries
duke@435	110	*/
duke@435	111	typedef struct {
duke@435	112	void (*BuildLibName)(char *buf, int buf_len, char *path, const char *name);
duke@435	113	int (*BuildFunName)(char *name, int name_len, int arg_size, int en_idx);
duke@435	114
duke@435	115	void * (*LoadLibrary)(const char *name, char *err_buf, int err_buflen);
duke@435	116	void (*UnloadLibrary)(void *lib);
duke@435	117	void * (*FindLibraryEntry)(void *lib, const char *name);
duke@435	118	} HPI_LibraryInterface;
duke@435	119
duke@435	120	typedef void (*signal_handler_t)(int sig, void *siginfo, void *context);
duke@435	121
duke@435	122	#define HPI_SIG_DFL (signal_handler_t)0
duke@435	123	#define HPI_SIG_ERR (signal_handler_t)-1
duke@435	124	#define HPI_SIG_IGN (signal_handler_t)1
duke@435	125
duke@435	126	typedef struct {
duke@435	127	char *name; /* name such as green/native threads. */
duke@435	128	int isMP;
duke@435	129	} HPI_SysInfo;
duke@435	130
duke@435	131	typedef struct {
duke@435	132	HPI_SysInfo * (*GetSysInfo)(void);
duke@435	133	long (*GetMilliTicks)(void);
duke@435	134	jlong (*TimeMillis)(void);
duke@435	135
duke@435	136	signal_handler_t (*Signal)(int sig, signal_handler_t handler);
duke@435	137	void (*Raise)(int sig);
duke@435	138	void (*SignalNotify)(int sig);
duke@435	139	int (*SignalWait)(void);
duke@435	140
duke@435	141	int (*Shutdown)(void);
duke@435	142
duke@435	143	int (*SetLoggingLevel)(int level);
duke@435	144	bool_t (*SetMonitoringOn)(bool_t on);
duke@435	145	int (*GetLastErrorString)(char *buf, int len);
duke@435	146	} HPI_SystemInterface;
duke@435	147
duke@435	148	/*
duke@435	149	* threads and monitors
duke@435	150	*/
duke@435	151	typedef struct sys_thread sys_thread_t;
duke@435	152	typedef struct sys_mon sys_mon_t;
duke@435	153
duke@435	154	#define HPI_OK 0
duke@435	155	#define HPI_ERR -1
duke@435	156	#define HPI_INTRPT -2 /* Operation was interrupted */
duke@435	157	#define HPI_TIMEOUT -3 /* A timer ran out */
duke@435	158	#define HPI_NOMEM -5 /* Ran out of memory */
duke@435	159	#define HPI_NORESOURCE -6 /* Ran out of some system resource */
duke@435	160
duke@435	161	/* There are three basic states: RUNNABLE, MONITOR_WAIT, and CONDVAR_WAIT.
duke@435	162	* When the thread is suspended in any of these states, the
duke@435	163	* HPI_THREAD_SUSPENDED bit will be set
duke@435	164	*/
duke@435	165	enum {
duke@435	166	HPI_THREAD_RUNNABLE = 1,
duke@435	167	HPI_THREAD_MONITOR_WAIT,
duke@435	168	HPI_THREAD_CONDVAR_WAIT
duke@435	169	};
duke@435	170
duke@435	171	#define HPI_MINIMUM_PRIORITY 1
duke@435	172	#define HPI_MAXIMUM_PRIORITY 10
duke@435	173	#define HPI_NORMAL_PRIORITY 5
duke@435	174
duke@435	175	#define HPI_THREAD_SUSPENDED 0x8000
duke@435	176	#define HPI_THREAD_INTERRUPTED 0x4000
duke@435	177
duke@435	178	typedef struct {
duke@435	179	sys_thread_t *owner;
duke@435	180	int entry_count;
duke@435	181	sys_thread_t **monitor_waiters;
duke@435	182	sys_thread_t **condvar_waiters;
duke@435	183	int sz_monitor_waiters;
duke@435	184	int sz_condvar_waiters;
duke@435	185	int n_monitor_waiters;
duke@435	186	int n_condvar_waiters;
duke@435	187	} sys_mon_info;
duke@435	188
duke@435	189	typedef struct {
duke@435	190	int (*ThreadBootstrap)(sys_thread_t **tidP,
duke@435	191	sys_mon_t **qlockP,
duke@435	192	int nReservedBytes);
duke@435	193	int (*ThreadCreate)(sys_thread_t **tidP,
duke@435	194	long stk_size,
duke@435	195	void (*func)(void *),
duke@435	196	void *arg);
duke@435	197	sys_thread_t * (*ThreadSelf)(void);
duke@435	198	void (*ThreadYield)(void);
duke@435	199	int (*ThreadSuspend)(sys_thread_t *tid);
duke@435	200	int (*ThreadResume)(sys_thread_t *tid);
duke@435	201	int (*ThreadSetPriority)(sys_thread_t *tid, int prio);
duke@435	202	int (*ThreadGetPriority)(sys_thread_t *tid, int *prio);
duke@435	203	void * (*ThreadStackPointer)(sys_thread_t *tid);
duke@435	204	void * (*ThreadStackTop)(sys_thread_t *tid);
duke@435	205	long * (*ThreadRegs)(sys_thread_t *tid, int *regs);
duke@435	206	int (*ThreadSingle)(void);
duke@435	207	void (*ThreadMulti)(void);
duke@435	208	int (*ThreadEnumerateOver)(int (*func)(sys_thread_t *, void *),
duke@435	209	void *arg);
duke@435	210	int (*ThreadCheckStack)(void);
duke@435	211	void (*ThreadPostException)(sys_thread_t *tid, void *arg);
duke@435	212	void (*ThreadInterrupt)(sys_thread_t *tid);
duke@435	213	int (*ThreadIsInterrupted)(sys_thread_t *tid, int clear);
duke@435	214	int (*ThreadAlloc)(sys_thread_t **tidP);
duke@435	215	int (*ThreadFree)(void);
duke@435	216	jlong (*ThreadCPUTime)(void);
duke@435	217	int (*ThreadGetStatus)(sys_thread_t *tid, sys_mon_t **monitor);
duke@435	218	void * (*ThreadInterruptEvent)(void);
duke@435	219	void * (*ThreadNativeID)(sys_thread_t *tid);
duke@435	220
duke@435	221	/* These three functions are used by the CPU time profiler.
duke@435	222	* sysThreadIsRunning determines whether the thread is running (not just
duke@435	223	* runnable). It is only safe to call this function after calling
duke@435	224	* sysThreadProfSuspend.
duke@435	225	*/
duke@435	226	bool_t (*ThreadIsRunning)(sys_thread_t *tid);
duke@435	227	void (*ThreadProfSuspend)(sys_thread_t *tid);
duke@435	228	void (*ThreadProfResume)(sys_thread_t *tid);
duke@435	229
duke@435	230	int (*AdjustTimeSlice)(int ms);
duke@435	231
duke@435	232	size_t (*MonitorSizeof)(void);
duke@435	233	int (*MonitorInit)(sys_mon_t *mid);
duke@435	234	int (*MonitorDestroy)(sys_mon_t *mid);
duke@435	235	int (*MonitorEnter)(sys_thread_t *self, sys_mon_t *mid);
duke@435	236	bool_t (*MonitorEntered)(sys_thread_t *self, sys_mon_t *mid);
duke@435	237	int (*MonitorExit)(sys_thread_t *self, sys_mon_t *mid);
duke@435	238	int (*MonitorNotify)(sys_thread_t *self, sys_mon_t *mid);
duke@435	239	int (*MonitorNotifyAll)(sys_thread_t *self, sys_mon_t *mid);
duke@435	240	int (*MonitorWait)(sys_thread_t *self, sys_mon_t *mid, jlong ms);
duke@435	241	bool_t (*MonitorInUse)(sys_mon_t *mid);
duke@435	242	sys_thread_t * (*MonitorOwner)(sys_mon_t *mid);
duke@435	243	int (*MonitorGetInfo)(sys_mon_t *mid, sys_mon_info *info);
duke@435	244
duke@435	245	} HPI_ThreadInterface;
duke@435	246
duke@435	247	/*
duke@435	248	* files
duke@435	249	*/
duke@435	250
duke@435	251	#define HPI_FILETYPE_REGULAR (0)
duke@435	252	#define HPI_FILETYPE_DIRECTORY (1)
duke@435	253	#define HPI_FILETYPE_OTHER (2)
duke@435	254
duke@435	255	typedef struct {
duke@435	256	char * (*NativePath)(char *path);
duke@435	257	int (*FileType)(const char *path);
duke@435	258	int (*Open)(const char *name, int openMode, int filePerm);
duke@435	259	int (*Close)(int fd);
duke@435	260	jlong (*Seek)(int fd, jlong offset, int whence);
duke@435	261	int (*SetLength)(int fd, jlong length);
duke@435	262	int (*Sync)(int fd);
duke@435	263	int (*Available)(int fd, jlong *bytes);
duke@435	264	size_t (*Read)(int fd, void *buf, unsigned int nBytes);
duke@435	265	size_t (*Write)(int fd, const void *buf, unsigned int nBytes);
duke@435	266	int (*FileSizeFD)(int fd, jlong *size);
duke@435	267	} HPI_FileInterface;
duke@435	268
duke@435	269	/*
duke@435	270	* sockets
duke@435	271	*/
duke@435	272	struct sockaddr;
duke@435	273	struct hostent;
duke@435	274
duke@435	275	typedef struct {
duke@435	276	int (*Close)(int fd);
duke@435	277	long (*Available)(int fd, jint *pbytes);
duke@435	278	int (*Connect)(int fd, struct sockaddr *him, int len);
duke@435	279	int (*Accept)(int fd, struct sockaddr *him, int *len);
duke@435	280	int (*SendTo)(int fd, char *buf, int len, int flags,
duke@435	281	struct sockaddr *to, int tolen);
duke@435	282	int (*RecvFrom)(int fd, char *buf, int nbytes, int flags,
duke@435	283	struct sockaddr *from, int *fromlen);
duke@435	284	int (*Listen)(int fd, long count);
duke@435	285	int (*Recv)(int fd, char *buf, int nBytes, int flags);
duke@435	286	int (*Send)(int fd, char *buf, int nBytes, int flags);
duke@435	287	int (*Timeout)(int fd, long timeout);
duke@435	288	struct hostent * (*GetHostByName)(char *hostname);
duke@435	289	int (*Socket)(int domain, int type, int protocol);
duke@435	290	int (*SocketShutdown)(int fd, int howto);
duke@435	291	int (*Bind)(int fd, struct sockaddr *him, int len);
duke@435	292	int (*GetSocketName)(int fd, struct sockaddr *him, int *len);
duke@435	293	int (*GetHostName)(char *hostname, int namelen);
duke@435	294	struct hostent * (*GetHostByAddr)(const char *hostname, int len, int type);
duke@435	295	int (*SocketGetOption)(int fd, int level, int optname, char *optval, int *optlen);
duke@435	296	int (*SocketSetOption)(int fd, int level, int optname, const char *optval, int optlen);
duke@435	297	struct protoent * (*GetProtoByName)(char* name);
duke@435	298	} HPI_SocketInterface;
duke@435	299
duke@435	300	/*
duke@435	301	* callbacks.
duke@435	302	*/
duke@435	303	typedef struct vm_calls {
duke@435	304	int (*jio_fprintf)(FILE *fp, const char *fmt, ...);
duke@435	305	void (*panic)(const char *fmt, ...);
duke@435	306	void (*monitorRegister)(sys_mon_t *mid, char *info_str);
duke@435	307
duke@435	308	void (*monitorContendedEnter)(sys_thread_t *self, sys_mon_t *mid);
duke@435	309	void (*monitorContendedEntered)(sys_thread_t *self, sys_mon_t *mid);
duke@435	310	void (*monitorContendedExit)(sys_thread_t *self, sys_mon_t *mid);
duke@435	311	} vm_calls_t;
duke@435	312
duke@435	313	#ifdef __cplusplus
duke@435	314	}
duke@435	315	#endif
duke@435	316
duke@435	317	#endif /* !_JAVASOFT_HPI_H_ */